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path: root/drivers/video/cg14.c
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Diffstat (limited to 'drivers/video/cg14.c')
-rw-r--r--drivers/video/cg14.c150
1 files changed, 72 insertions, 78 deletions
diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c
index b071bb632b97..41f6dbf61be7 100644
--- a/drivers/video/cg14.c
+++ b/drivers/video/cg14.c
@@ -448,81 +448,79 @@ static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __devinitdata = {
448 { .size = 0 } 448 { .size = 0 }
449}; 449};
450 450
451struct all_info { 451static void cg14_unmap_regs(struct of_device *op, struct fb_info *info,
452 struct fb_info info; 452 struct cg14_par *par)
453 struct cg14_par par;
454};
455
456static void cg14_unmap_regs(struct of_device *op, struct all_info *all)
457{ 453{
458 if (all->par.regs) 454 if (par->regs)
459 of_iounmap(&op->resource[0], 455 of_iounmap(&op->resource[0],
460 all->par.regs, sizeof(struct cg14_regs)); 456 par->regs, sizeof(struct cg14_regs));
461 if (all->par.clut) 457 if (par->clut)
462 of_iounmap(&op->resource[0], 458 of_iounmap(&op->resource[0],
463 all->par.clut, sizeof(struct cg14_clut)); 459 par->clut, sizeof(struct cg14_clut));
464 if (all->par.cursor) 460 if (par->cursor)
465 of_iounmap(&op->resource[0], 461 of_iounmap(&op->resource[0],
466 all->par.cursor, sizeof(struct cg14_cursor)); 462 par->cursor, sizeof(struct cg14_cursor));
467 if (all->info.screen_base) 463 if (info->screen_base)
468 of_iounmap(&op->resource[1], 464 of_iounmap(&op->resource[1],
469 all->info.screen_base, all->par.fbsize); 465 info->screen_base, par->fbsize);
470} 466}
471 467
472static int __devinit cg14_init_one(struct of_device *op) 468static int __devinit cg14_probe(struct of_device *op, const struct of_device_id *match)
473{ 469{
474 struct device_node *dp = op->node; 470 struct device_node *dp = op->node;
475 struct all_info *all; 471 struct fb_info *info;
472 struct cg14_par *par;
476 int is_8mb, linebytes, i, err; 473 int is_8mb, linebytes, i, err;
477 474
478 all = kzalloc(sizeof(*all), GFP_KERNEL); 475 info = framebuffer_alloc(sizeof(struct cg14_par), &op->dev);
479 if (!all) 476
480 return -ENOMEM; 477 err = -ENOMEM;
478 if (!info)
479 goto out_err;
480 par = info->par;
481 481
482 spin_lock_init(&all->par.lock); 482 spin_lock_init(&par->lock);
483 483
484 sbusfb_fill_var(&all->info.var, dp->node, 8); 484 sbusfb_fill_var(&info->var, dp->node, 8);
485 all->info.var.red.length = 8; 485 info->var.red.length = 8;
486 all->info.var.green.length = 8; 486 info->var.green.length = 8;
487 all->info.var.blue.length = 8; 487 info->var.blue.length = 8;
488 488
489 linebytes = of_getintprop_default(dp, "linebytes", 489 linebytes = of_getintprop_default(dp, "linebytes",
490 all->info.var.xres); 490 info->var.xres);
491 all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres); 491 par->fbsize = PAGE_ALIGN(linebytes * info->var.yres);
492 492
493 if (!strcmp(dp->parent->name, "sbus") || 493 if (!strcmp(dp->parent->name, "sbus") ||
494 !strcmp(dp->parent->name, "sbi")) { 494 !strcmp(dp->parent->name, "sbi")) {
495 all->par.physbase = op->resource[0].start; 495 par->physbase = op->resource[0].start;
496 all->par.iospace = op->resource[0].flags & IORESOURCE_BITS; 496 par->iospace = op->resource[0].flags & IORESOURCE_BITS;
497 } else { 497 } else {
498 all->par.physbase = op->resource[1].start; 498 par->physbase = op->resource[1].start;
499 all->par.iospace = op->resource[0].flags & IORESOURCE_BITS; 499 par->iospace = op->resource[0].flags & IORESOURCE_BITS;
500 } 500 }
501 501
502 all->par.regs = of_ioremap(&op->resource[0], 0, 502 par->regs = of_ioremap(&op->resource[0], 0,
503 sizeof(struct cg14_regs), "cg14 regs"); 503 sizeof(struct cg14_regs), "cg14 regs");
504 all->par.clut = of_ioremap(&op->resource[0], CG14_CLUT1, 504 par->clut = of_ioremap(&op->resource[0], CG14_CLUT1,
505 sizeof(struct cg14_clut), "cg14 clut"); 505 sizeof(struct cg14_clut), "cg14 clut");
506 all->par.cursor = of_ioremap(&op->resource[0], CG14_CURSORREGS, 506 par->cursor = of_ioremap(&op->resource[0], CG14_CURSORREGS,
507 sizeof(struct cg14_cursor), "cg14 cursor"); 507 sizeof(struct cg14_cursor), "cg14 cursor");
508 508
509 all->info.screen_base = of_ioremap(&op->resource[1], 0, 509 info->screen_base = of_ioremap(&op->resource[1], 0,
510 all->par.fbsize, "cg14 ram"); 510 par->fbsize, "cg14 ram");
511 511
512 if (!all->par.regs || !all->par.clut || !all->par.cursor || 512 if (!par->regs || !par->clut || !par->cursor || !info->screen_base)
513 !all->info.screen_base) 513 goto out_unmap_regs;
514 cg14_unmap_regs(op, all);
515 514
516 is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) == 515 is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) ==
517 (8 * 1024 * 1024)); 516 (8 * 1024 * 1024));
518 517
519 BUILD_BUG_ON(sizeof(all->par.mmap_map) != sizeof(__cg14_mmap_map)); 518 BUILD_BUG_ON(sizeof(par->mmap_map) != sizeof(__cg14_mmap_map));
520 519
521 memcpy(&all->par.mmap_map, &__cg14_mmap_map, 520 memcpy(&par->mmap_map, &__cg14_mmap_map, sizeof(par->mmap_map));
522 sizeof(all->par.mmap_map));
523 521
524 for (i = 0; i < CG14_MMAP_ENTRIES; i++) { 522 for (i = 0; i < CG14_MMAP_ENTRIES; i++) {
525 struct sbus_mmap_map *map = &all->par.mmap_map[i]; 523 struct sbus_mmap_map *map = &par->mmap_map[i];
526 524
527 if (!map->size) 525 if (!map->size)
528 break; 526 break;
@@ -536,59 +534,55 @@ static int __devinit cg14_init_one(struct of_device *op)
536 map->size *= 2; 534 map->size *= 2;
537 } 535 }
538 536
539 all->par.mode = MDI_8_PIX; 537 par->mode = MDI_8_PIX;
540 all->par.ramsize = (is_8mb ? 0x800000 : 0x400000); 538 par->ramsize = (is_8mb ? 0x800000 : 0x400000);
541 539
542 all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; 540 info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
543 all->info.fbops = &cg14_ops; 541 info->fbops = &cg14_ops;
544 all->info.par = &all->par;
545 542
546 __cg14_reset(&all->par); 543 __cg14_reset(par);
547 544
548 if (fb_alloc_cmap(&all->info.cmap, 256, 0)) { 545 if (fb_alloc_cmap(&info->cmap, 256, 0))
549 cg14_unmap_regs(op, all); 546 goto out_unmap_regs;
550 kfree(all);
551 return -ENOMEM;
552 }
553 fb_set_cmap(&all->info.cmap, &all->info);
554 547
555 cg14_init_fix(&all->info, linebytes, dp); 548 fb_set_cmap(&info->cmap, info);
556 549
557 err = register_framebuffer(&all->info); 550 cg14_init_fix(info, linebytes, dp);
558 if (err < 0) { 551
559 fb_dealloc_cmap(&all->info.cmap); 552 err = register_framebuffer(info);
560 cg14_unmap_regs(op, all); 553 if (err < 0)
561 kfree(all); 554 goto out_dealloc_cmap;
562 return err;
563 }
564 555
565 dev_set_drvdata(&op->dev, all); 556 dev_set_drvdata(&op->dev, info);
566 557
567 printk("%s: cgfourteen at %lx:%lx, %dMB\n", 558 printk("%s: cgfourteen at %lx:%lx, %dMB\n",
568 dp->full_name, 559 dp->full_name,
569 all->par.iospace, all->par.physbase, 560 par->iospace, par->physbase,
570 all->par.ramsize >> 20); 561 par->ramsize >> 20);
571 562
572 return 0; 563 return 0;
573}
574 564
575static int __devinit cg14_probe(struct of_device *dev, const struct of_device_id *match) 565out_dealloc_cmap:
576{ 566 fb_dealloc_cmap(&info->cmap);
577 struct of_device *op = to_of_device(&dev->dev); 567
568out_unmap_regs:
569 cg14_unmap_regs(op, info, par);
578 570
579 return cg14_init_one(op); 571out_err:
572 return err;
580} 573}
581 574
582static int __devexit cg14_remove(struct of_device *op) 575static int __devexit cg14_remove(struct of_device *op)
583{ 576{
584 struct all_info *all = dev_get_drvdata(&op->dev); 577 struct fb_info *info = dev_get_drvdata(&op->dev);
578 struct cg14_par *par = info->par;
585 579
586 unregister_framebuffer(&all->info); 580 unregister_framebuffer(info);
587 fb_dealloc_cmap(&all->info.cmap); 581 fb_dealloc_cmap(&info->cmap);
588 582
589 cg14_unmap_regs(op, all); 583 cg14_unmap_regs(op, info, par);
590 584
591 kfree(all); 585 framebuffer_release(info);
592 586
593 dev_set_drvdata(&op->dev, NULL); 587 dev_set_drvdata(&op->dev, NULL);
594 588